Curated OER
Mayan Math
Fifth graders investigate the Maya's as mathematicians. In this Mayan math lessons, 5th graders work with the ancient Mayan numbering system by comparing it to the American Number System. They tell the differences and similarities...
Curated OER
Shop till You Drop! Working with Money
Paper and coin currency are shown and reviewed, and then used to apply consumer math skills. Learners are given two examples of how they should line up decimal points and place values when adding or subtracting money. They watch as the...
Curated OER
Discovering Decimals
Students investigate decimal values to the thousandths using a handheld. A web page is read, animation is used, and knowledge gathered utilized in a game.
Institute for Energy and Environmental Research
Practice with Scientific Notation
Zeroes are more important than they look! A guided practice activity takes learners through the process of both scientific and decimal notation, culminating in more complex word problems and equations.
Curated OER
Horizontal Addition
Here are four examples of double-digit horizontal addition. Learners are shown how to compute numbers horizontally, by first adding the tens and then the ones columns and then adding them both together. This is a great way to boost...
Curated OER
Estimating and Rounding Numbers
In this estimating and rounding numbers worksheet, 3rd graders solve 6 math problems using estimating and rounding skills.
Curated OER
Who's On First?
Have you ever considered why the number 10 is so important to us? That's what learners do here. They explore patterns formed by powers of ten and by decimals, convert units of measure within the metric system, and express these in the...
Curated OER
Multiplying by 10, by 100, and by 1,000
Fourth graders write tenths and hundredths in decimal and fraction notations. In this math instructional activity, learners know the fraction and decimal equivalents for halves and fourths. Everyone answers numerous questions posed by...
EngageNY
Making Fair Decisions
Life's not fair, but decisions can be. The 17th installment of a 21-part module teaches learners about fair decisions. They use simulations to develop strategies to make fair decisions.
Mathed Up!
Upper and Lower Bounds
Investigate how rounding affects values. Individuals watch a video about how to find the highest and lowest possible numbers that result in a given value when rounded to a certain place value. They finish by completing a worksheet of...
Curated OER
Using a Calendar and Using a Time Line
In this math/social studies worksheet, students examine 2 calendar pages and answer 12 questions about them. Students then investigate a time line of important math inventions and discoveries and answer 8 questions.
Curated OER
Operation Spaghetti
Find the math in recipes. Young chefs will follow a recipe and investigate the total cost for materials. They measure amounts of food necessary for the recipe and compute the per person cost.
Curated OER
Thanksgiving Addition
A handy instructional activity on adding 3-digit numbers is here for you. Third graders practice the skills of carrying numbers from one place value to the next when adding numbers like this. An answer key accompanies the instructional...
Balanced Assessment
Fractured Subtraction
Can you spare a 10? Scholars determine digits that could complete a two-digit subtraction problem. They must find all possible combinations of digits and provide an explanation for their reasoning.
Curated OER
Place Value Addition
In this addition practice worksheet, students sharpen their math skills as they solve 40 problems that require them to add 2-digit numbers to 1-digit numbers.
Curated OER
Circumference and Area of Circles
In this circumference and area of circles activity, students find each to 1 decimal place of 12 given circles. A website reference for additional resources and answer key are given.
Curated OER
Expert Estimators
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
Curated OER
Who Needs Numbers?
Students identify whole numbers through the one millions place. In this place value lesson, students read the book The Day Without Math and use place value mats to create numbers to the millions place. Students use base ten blocks during...
Curated OER
Rising Gas Prices – Compounding and Inflation
Financial literacy skills and exponential models are connected by the compound interest formula in this task centered on inflation calculations. Collaborative learners get experience collecting data from the given websites and exploring...
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 3
Need to go over some math concepts with your third graders? Use a series of math posters, featuring vocabulary words in geometry, measurement, fractions, probability, and many other areas of study. Each poster presents the term with an...
Curated OER
Just One!
Learners play a trading game using Base 10 blocks that incorporates decimal place value. Then they each receive a paper with a decimal number on it and must arrange themselves in a line from least to greatest.
Alabama Learning Exchange
Are Your Numbers Round?
Elementary schoolers investigate how to round numbers to the nearest tenth. In this number sense lesson, learners view a video clip on the Internet to practice rounding numbers. They use place value charts to help aid in the rounding...
Curated OER
Math: Fill In the Blanks
In this math instructional activity, students use basic math skills to answer 236 questions about number sequences, patterns, and place values.
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 1
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...